Suspected upper gastrointestinal subepithelial lesion
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Patients undergoing upper gastrointestinal EUS examination for the purpose of detailed examination, tissue sampling, and follow-up for suspected SEL lesions (2) Age at the time of consent acquisition is 18 years or older. (3) Patients who have given their voluntary written consent after receiving sufficient explanation about participating in this study, and with sufficient understanding.
Exclusion criteria
Exclusion criteria: (1) Patients who are judged by the principal investigator to be inappropriate as research subjects (2) Patients who are incapable of consent
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy in the three categories of SEL differentiation (GIST, leiomyoma, other SELs) on EUS videos in the AI diagnostic system and expert endoscopists | — |
Secondary
| Measure | Time frame |
|---|---|
| Diagnostic performance (sensitivity, specificity, positive predictive value, negative predictive value, accuracy) of the AI diagnostic system and expert endoscopists in the two SEL categories (GIST, others) Diagnostic performance in multi-category classification (accuracy, sensitivity per category) Diagnostic performance of non-expert endoscopists, diagnostic performance of various tissue biopsies, and EUS findings that contribute to diagnosis | — |
Countries
Japan
Contacts
Nagoya University Graduate School of Medicine Department of Gastroenterology and Hepatology